Table 1.
CT technique summary
Examination | Tube potential (kVp) | Tube Current* (mA) | Revolution time (s) | Bow tie filter | Pitch | Collimation (mm) | Scan Range |
---|---|---|---|---|---|---|---|
Head | 120 | 300 | 1 | Medium Filter | 1.000 | 20 | Hard palate-base of occipital bone to vertex |
Chest | 120 | TCM (120–380) | 0.5 | Body Filter | 0.984 | 40 | Supraclavicular through adrenal glands (level of L2 vertebrae) |
Abdomen and pelvis with contrast | 120 | TCM (220–380) | 0.7 | Body Filter | 0.984 | 40 | Diaphragm to pubic symphysis |
Chest, abdomen and pelvis with contrast | 120 | TCM (220–380) | 0.7 | Body Filter | 0.984 | 40 | Supraclavicular to pubic symphysis |
TCM is Tube Current Modulation.